Table 2.
Step count and physical activity data by study group.
| Control N = 39 (step counts) N = 34 (accelerometry) |
Pedometer only N = 35 (step count) N = 31 (accelerometry) |
Pedometer + website N = 27 (step count) N = 27 (accelerometry) |
P-values (time effect) | P-values (time × group interaction) | ||||
|---|---|---|---|---|---|---|---|---|
| Baseline | Week 12 | Baseline | Week 12 | Baseline | Week 12 | |||
| Average step count | 4841 ± 1665 | 5142 ± 2143 | 5168 ± 1568 | 9673 ± 3937 | 5483 ± 1546 | 8211 ± 3297 | < 0.001 | < 0.001 |
| Average minutes observed/day | 908 ± 99 | 889 ± 75 | 934 ± 112 | 930 ± 121 | 944 ± 93 | 944 ± 133 | 0.48 | 0.75 |
| Average moderate intensity activity minutes (3–6 METs) | 16 ± 10 | 17 ± 14 | 19 ± 11 | 49 ± 31 | 20 ± 14 | 36 ± 24 | < 0.001 | < 0.001 |
| Average moderate intensity in bouts | 4 ± 8 | 4 ± 8 | 7 ± 8 | 14 ± 10 | 6 ± 9 | 27 ± 21 | < 0.001 | < 0.001 |
| Subjects achieving ≥ 10,000 steps | 0 | 0 | 0 | 18 | 0 | 9 | – | < 0.001 |
| Subjects achieving ≥ 20 min/day of MPA in bouts | 2 | 3 | 2 | 12 | 2 | 16 | – | < 0.001 |
| Subjects achieving ≥ 30 min total of MPA | 5 | 6 | 4 | 20 | 5 | 15 | – | 0.001 |